Mounting for burglar-alarm



L M. BUTCHER.

MOUNTING FOR BURGLAR ALARMS. APPLICATION FILED sPT.Is. |919.

' 1,387,966, Patented Aug. 16,1921.A

MIIIIIIIIII I .l iff Lasagne.

FUN-rea STATES rATENi OifFgIce.

JAiii'n's ivi. EBUTCHER, or CHICAGO, iLLiivois,l Assisivony To sENriNEn ALARM co., orl

. a f CHicACaYiLLiivois, A CORPORATION or iLLiivoisif- MoiiNTiNe Foa isiiiterLAn;Ai.Arai/i.l

ToaZZQU'wm t may concern:

Be Iit known that l, yJAMiis M. BUTCHER,

i a citizen of the United IStates,residing at county of Cook and State of Illinois, haveV invented certain new and useful Improvements in Mount-ings for Burglar-Alarms, of which the ffollowing is Chicago, in the a specification.

window` v improved construction lliis is a `division ofiny application filed CctoberlQth, 1918, Serial No. 257,751.

- In my application'Serial No; 180,065,1`iiled July 12th, 19,17, I have described and broadly claimed an alarm device adapted for mounting upon the one, and having a frictional releasing means for coacting with another of two-structures between which there-is relative movement, as, forfinstance'two relatively sliding sash of a window; the mounting for the alarm comprising an attaching support adapted to be secured,'for instance, upon the meeting rail of the window inV approximately correct position, and Van alarm-carrier slidingupon said support tol and from, and in-the'direction of impingement of the frictional releasing device against', the'other relatively movable member, for instance, the pane; "a locking device being also provided for fixing the carrier in any position to which it may be adjusted upon the support.

The present invention seeks to provide an ofl support adapted to serve the purposes of my previous invention aforesaid.

The invent-ion lwill be more. fully understood upon reference to the accompanying Y struction, such, for instance,

Figures 1, 2, and 3 are, respectively, a side elevation of a complete alarm device, a front'elevation of the same, and alongitudinal sectional view of the mounting.

A represents the mounting; B thealarm; and C the releasing device. The Vmounting comprises the attaching base A1 and the carrier A2, the former providedwith a slide track A3 andthe latter with a slide shoe A4 mounted thereon and engaged therewith in a manner lto resist vertical or lateral displacement while permitting longitudinal sliding movement. The mounting further comprises a friction tongue A5 pivoted at A6 upon the attaching base A1, and in position to develop frictional pressure against the under side of the shoe A4 of the carrier A2;

indicated at ,Spepciiciationof Letters Patent.Y y .-Paigntd Aug. 16., 1921, original application mea october 12, 191s, 'serial No. 257,751.. y A

. Y yteinberl'lS, 1919. SerialrNo. 324,727.1'

mvideakand this-appiiation flied sepupon' the also a presser-foot A'7 pivotediatl base in position to 'force'the fricattaching tion tongue againstthe,slideshoeand so ref center position, andr where it will'be held by the` pressure of thenlfriction tongue A5. The friction tongue is.l deflected intermediate of its length so thatwhenforced into con-v tact with the slide shoe it is put under tension.

the4` mounting, "or "thev yfriction tonguenlay The partsmay yassume the positionsr` A5', A2 to'ppermit assembly of kb e A movedto. the.` position A57 lwith the icar-y rier removed from the attaching base .iny

order to permit the screw. A10 to'beintroduced in.' mounting the attaching' base upon the build-ing structure to which the alarm is to be` applied.'

The attachingI base'nA channel formed in crosssec web 'serves for attachment structure; its

ion. i V'Its bottom upstanding vsides provide side walls ofa housing for the friction tongue A5 and presser-foot A7, andaford'spacedbearings to confine the same to their duty, while vtheir upperedges provide the slide tracks for the carrier. "The carrier` channel to provid kthe top wall ing and presents its slide shoe A4 tion to receive ther friction tongue: l

The alarm maybe of any suitable conas one embodyvbridges the in rOS- ing a bell B1, a shell' B2 mechanism Vfor the bell,

device kcomprises an arm and carrying projections either of which lUr-shapedv or tothe building' of the houscontaining actuating y Y *andl an alarm stopl B3 protruding from the alarm and 'operating slid forward 'until proper frictional into position to depress the alarm stop B3. The projection Gais provided ,with a friction pad C4 through which the arm C may rest in frictional contact with the surface relative to which the alarm moves in the opening-of the closure to be protected, for i'nstance, the glassv or other surface of one of two window sash upon the rail of the other of which the alarm is mountedand so that relative movement betweenrthe two sliding members, when the alarm is properly applied, will cause the arm C to swingl upon its pivot C1 andso release ythe stop B3 and permit the alarm to sound.

The alarm is applied by attaching the base A1, through the medium of the screw `A10, vfor instance, to the top rail X of a lower window sashiny approximate position which will bring the friction pad C* against the window paneY, for instance, the base A1 being positioned sol that-its track A3 will be directed toward the vsurface with which the releasing pad C4 is t0 contact. The carriervAg, with the alarm mounted thereon, is then applied to the track A3 and contact is developed between the pad .C4 and the surface, when the finger-piece A9 is depressed to secure the yparts in position.

I claim: n Y

v l. In an alarm device, the combination of an attaching base having upstanding side walls providing aV slide track,an alarm carrier having a slide shoe bridginothe channel of the attaching base and em racing and sliding` uponfsaid track, a friction tongue mounted between said side walls in position to enter into frictional bearing vagainst said slide shoe, and means for pressing said tongue into said frictional bearing.

2. In van `alarm device, the combination of an attaching base having upstanding side walls providing a slide track, an alarm carrier having a slide shoe bridging the channel of the attaching, base and embracing land sliding` upon said track, a friction tongue mounted between said side walls in position to enter into frictional'bearing against said slide shoe, and means for pressing. said tongue into said frictional bearing, comprising a presser-foot pivotally confined between said side walls in position to control to embrace and slide upon said track and to bridge the space between said side walls, a friction tongue extending longitudinally in the channel of said base and supported by said side walls in position to bear against the under side of the carrier, and a presserfoot movably confined between said lside walls in position to engage said friction tongue. v

fr. In an alarm device, a channel formed attaching base having a bottom web and upstanding side walls spaced by said bottom web and having their upper edges constructed to form a slide track, a carrier constructed to embrace and slide upon said track and to bridge the space between said side walls, a friction tongue extending longitudinally' in the channel of said base and supported by said side .walls in positionto bear against the under Side of the carrier, and a presserfoot pivotally confined between said side walls in position to engage said friction tongue, and having a finger piece lpresented for manipulation `at, theend of the channel of the base.

5. In an alarm device, the combination of an attaching member comprising a base and an upstanding wall carrying a slide track extending vlongitudinally thereof, an alarm, an alarm carrier engaging said slide track and sliding thereon to. position the alarm, means for arresting the-alarm carrier in different positions upon its track comprising ya tongue pivotally mounted at a fixed point upon the attaching member and having a contacting portion swinging parallel with the upstanding wall into frictional engagement with the carrier, and means forholding said tongue against the carrier. Y Y

Signed at Chicago, Illinois, this 29th day of August,l9l9.

.niMns M. Burani-ina. 

